.toc-wrapper {
  position: fixed;
  left: 10px;
  top: 100px;
  max-height: 90vh;
  overflow: auto;
  .toc {
    margin-left: 20px;
  }
  .toc-item {
    display: block;
    width: 200px;
    font-size: 18px;
    line-height: 30px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;

    &:hover {
      color: #ec2138;
    }
  }
}